Donald Trump and Volodymyr Zelenski. Conversations without a Polish representative. Why?

Why didn't Nawrocks or Tusk fly to the United States to meet Zelenski-Trump? Karol Nawrocki or Donald Tusk will not appear in the US at the gathering – Donald Trump and Volodymyr Zelenski. On August 18, Donald Trump and Volodymyr Zelenski will talk to European leaders about ending the war in Ukraine. president Trump did not invitation Nawrocki – PiS pet, ..